<template>
  <div>
    <!-- <h1>params参数: {{$route.params.keyword}}------------{{keyword}}</h1> -->
    <!-- <h1>params参数: {{$route.params.keyword}}------------{{keyword}}======={{par}}</h1>
    <h1>query参数: {{$route.query.k}}-------------{{k}}=========={{que}}</h1> -->
    <TypeNav></TypeNav>
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 导航分类面包屑 -->
            <li class="with-x" v-if="searchParmas.categoryName">{{searchParmas.categoryName}}
              <i @click="removeCategoryName">×</i>
            </li>
            <!-- 关键词面包屑 -->
            <li class="with-x" v-if="searchParmas.keyword">{{searchParmas.keyword}}
              <i @click="removeKeyword">×</i>
            </li>
            <!-- 品牌面包屑 -->
            <li class="with-x" v-if="searchParmas.trademark">{{searchParmas.trademark.split(":")[1]}}
              <i @click="removeTrademark">×</i>
            </li>
            <!-- 品牌属性面包屑，是searchParmas.props数组，需要遍历 -->
            <li class="with-x" v-for="(attr, index) in searchParmas.props" :key="index">{{attr.split(":")[1]}}
              <i @click="removeArrt(index)">×</i>
            </li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector  @gettrademarkInfo="gettrademarkInfo" @getattrInfo="getattrInfo"/>

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{active: isOne}" @click="changeOrder('1')">
                  <a>
                    综合
                    <span v-show="isOne" class="iconfont" :class="{'icon-CaretDoubleUp': isAsc, 'icon-CaretDoubleDown': isDesc}"></span>
                  </a>
                </li>
                <li :class="{active: isTwo}" @click="changeOrder('2')">
                  <a>
                    价格
                    <span v-show="isTwo" class="iconfont" :class="{'icon-CaretDoubleUp': isAsc, 'icon-CaretDoubleDown': isDesc}"></span>
                  </a>
                </li>        
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="(good, index) in goodsList" :key="good.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="`/detail/${good.id}`">
                      <img v-lazy="good.defaultImg"/>
                    </router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{good.price}}.00</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a
                      target="_blank"
                      href="item.html"
                      title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】"
                      >{{good.title}}</a
                    >
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 分页 -->
          <Pagination 
            :pageNo="searchParmas.pageNo" 
            :pageSize="searchParmas.pageSize" 
            :total="total" 
            :continues="5"
            @getPageNo="getPageNo"
          ></Pagination>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from "./SearchSelector/SearchSelector";
import {mapGetters, mapState} from "vuex";
import bus from "@/assets/bus"
export default {
  name: "Search",
  // 路由组件传递props
  // props: ["keyword", "k", "par", "que"],
  components: {
    SearchSelector,
  },
  data(){
    return{
      searchParmas:{
        "category1ID": "",
        "category2ID": "",
        "category3ID": "",
        "categoryName": "",
        "keyword": "",
        // 1: 综合,2: 价格 asc: 升序,desc: 降序； 初始值综合且降序，示例: "1:desc"
        // 踩坑不要给空格 "order": "1: desc",
        "order": "1:desc",
        "pageNo": 1,
        "pageSize": 3,
        "props": [],
        "trademark": "",
      },
    };
  },

  created() {
    bus.$on("changePageNO", this.updatePageNo)
  },
  // 挂载完毕之前执行一次
  beforeMount() {
    Object.assign(this.searchParmas, this.$route.query, this.$route.params)
  },

  mounted() {
    this.getData();
  },

  computed: {
    ...mapGetters(["goodsList"]),
    // 自定义事件，获取搜索数据总数
    ...mapState({
      total: state => state.search.searchList.total
    }),
    // 排序判断active
    isOne(){
      return this.searchParmas.order.indexOf("1") != -1;
    },
    isTwo(){
      return this.searchParmas.order.indexOf("2") != -1;
    },
    // 是否升序
    isAsc(){
      return this.searchParmas.order.indexOf("asc") != -1;
    },
    // 是否降序
    isDesc(){
      return this.searchParmas.order.indexOf("desc") != -1;
    },
  },

  methods: {
    getData(){
      this.$store.dispatch("getSearchList", this.searchParmas);
    },
    // 点击删除面包屑，CategoryName,刷新路由
    removeCategoryName(){
      this.searchParmas.categoryName = "";
      this.searchParmas.category1ID = "";
      this.searchParmas.category2ID = "";
      this.searchParmas.category3ID = "";
      this.searchParmas.pageNo = 1;
      this.getData();
      // this.$router.push({name: "search"})
      // 此时parmas参数也会被干掉，应该调整
      if(this.$route.params){
        this.$router.push({name: "search", params: this.$route.params});
      }
    },
    // 点击删除面包屑keyword
    removeKeyword() {
      this.searchParmas.keyword = "";
      this.searchParmas.pageNo = 1;
      this.getData();
      // 万能组件通信$bus
      // keyword清除, 通知兄弟组件Header清除keyword
      this.$bus.$emit("clear");
      // 进行路由清除parmas
      if(this.$route.query){
        this.$router.push({name: "search", query: this.$route.query});
      }
    },
    // 获取trademark品牌信息
    gettrademarkInfo(trademark){
      // console.log(trademark)
      this.searchParmas.trademark = `${trademark.tmId}: ${trademark.tmName}`;
      this.searchParmas.pageNo = 1;
      this.getData();
    },
    // 点击删除面包屑trademark品牌
    removeTrademark() {
      this.searchParmas.trademark = "";
      this.searchParmas.pageNo = 1;
      this.getData();
    },
    // 获取attr品牌属性信息
    getattrInfo(attrs, attrValue){
      // ["属性ID:属性值:属性名"]
      let props = `${attrs.attrId}:${attrValue}:${attrs.attrName}`;
      // indexOf() 方法对大小写敏感！注释：如果要检索的字符串值没有出现，则该方法返回 -1。
      if(this.searchParmas.props.indexOf(props) == -1){
        this.searchParmas.props.push(props);
        this.searchParmas.pageNo = 1;
        this.getData();
      }
    },
    // 点击删除面包屑arrt,品牌属性
    removeArrt(index){
      // splice（第一个参数，第二个参数）从index（第一个参数）位置删除1个（第二个参数）
      this.searchParmas.props.splice(index, 1);
      this.searchParmas.pageNo = 1;
      this.getData();
    },
    // 排序操作
    changeOrder(flag){
      let originFlag = this.searchParmas.order.split(":")[0];
      let originSourt = this.searchParmas.order.split(":")[1];
      let newOrder = "";
      // 判断点击的flag与originFlag是否相等
      if(flag == originFlag){
        newOrder = `${originFlag}:${originSourt == "desc" ? "asc" : "desc"}`;
      }else{  
        newOrder = `${flag}:${"desc"}`;
      }
      this.searchParmas.order = newOrder;
      this.searchParmas.pageNo = 1;
      this.getData();
    },
    // 获取分页当前页
    getPageNo(pageNO){
      this.searchParmas.pageNo = pageNO;
      this.getData();
    },
    // 全局组件中分类导航和头部检索--pageNo = 1
    updatePageNo(pageNo){
      this.searchParmas.pageNo = pageNo;
    }
  },

  // 数据监听，监听组件实例上的属性的变化
  watch: {
    // 监听路由是否发生变化，发生变化重新发请求
    $route(newValue, oldValue){
      Object.assign(this.searchParmas, this.$route.query, this.$route.params);
      // console.log(this.searchParmas)
      this.getData();
      // category1ID, category2ID, category3ID当路由发生变化时，原来字段还存在；需要重置
      // categoryName, keyword不用清理，每一次路由发生变化时，都会赋予新值
      this.searchParmas.category1ID = "";
      this.searchParmas.category2ID = "";
      this.searchParmas.category3ID = "";
    }
  },

};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: 5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            margin-top: 10px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>
